![]() It then compares this snapshot to the last time it ran, and sends an email (containing a diff) if the snapshot has changed. Docker Explore dgtlmoon/changedetection.io dgtlmoon/changedetection.io Verified Publisher By dgtlmoon Updated 13 days ago Website change detection and notification. ![]() It instructs the chrome instance to visit each page on a schedule (specified by frequency) and take a snapshot of the page, specified by selector. The node.js container controls a headless chrome instance in the chrome container, using Puppeteer. node:alpine Node.js container running this code Since you are on this page, you have probably already started using Docker to deploy your applications and are enjoying it compared to virtual machines.browserless/chrome container running an instance of headless chrome.The scheduler only runs once per minute and checks how long it has been since the last time each entry was run. Docker is basically a virtualized open-source environment that allows users to distribute and install multiple apps on the server without interfering with each other’s installation and process. 5:00, 5:05 etc.), it will depend on when the app was booted. Note that the scheduler will not actually run at uniform intervals (e.g. 3hour - every 3 hours: 03:00, 06:00, 09:00 etc.įrequency = '15min ' # Every 15 minutes frequency = '1min ' # Every minute frequency = '2hour ' # Every 2 hours frequency = '1day ' # Every day frequency - How often this site should be checked.Note that (as with document.querySelector) if there are multiple instances of the selector on the page, the first one will be used.This is any CSS selector that could be used by document.querySelector. A docker container that monitors websites and reports when they change - GitHub - peabnuts123/web-monitor: A docker container that monitors websites and.selector - The part of the page to monitor.Start the stack by running docker-compose up -detachĬonfig is done in config.toml by declaring an array of objects called sites, each object containing a few properties: They work extremely well together with Graphite/InfluxDB and Grafana that you can use to monitor your web site. Create a new Dashboard Click on the Grafana icon at the top left From the drop down menu, select Dashboards Then click on New From the new page, click on.Ensure crontab.properties is owned by root (yeah, I know.) by running sudo chown root crontab.properties.Copy to config.toml and add sites as you see fit.Visit our Security Resources page to learn about how Snyk can help. It will check parts of web pages on a schedule, and send emails when those pages change, including a summary of what changed. For example, Docker container monitoring looks at Docker container logs, metrics.
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